Lord Slug, Dark Parasite (BT12-077) - Vicious Rejuvenation PreRelease Cards

[Auto] If your opponent has 3 or more energy : When this card is played, your opponent may choose 1 of their Unison Cards and place it in its owner's Drop Area. If they didn't you and your opponent draw 1 card; choose all of your opponent's Battle Cards and KO them.